/Engine/Source/Runtime/Engine/Classes/Engine/Texture.h
void InitLayered ( int32 NewSizeX, int32 NewSizeY, int32 NewNumSlices, int32 NewNumLayers, int32 NewNumMips, const ETextureSourceFormat * NewLayerFormat, [UE::Serialization::FEditorBulkData::FSharedBufferWithID](API\Runtime\CoreUObject\Serialization\FEditorBulkData\FSharedBufferWithID) NewData )